

let MD5 = function (string) {
    function RotateLeft(lValue, iShiftBits) {
        return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits))
    }

    function AddUnsigned(lX, lY) {
        let lX4, lY4, lX8, lY8, lResult
        lX8 = (lX & 0x80000000)
        lY8 = (lY & 0x80000000)
        lX4 = (lX & 0x40000000)
        lY4 = (lY & 0x40000000)
        lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF)
        if (lX4 & lY4) {
            return (lResult ^ 0x80000000 ^ lX8 ^ lY8)
        }
        if (lX4 | lY4) {
            if (lResult & 0x40000000) {
                return (lResult ^ 0xC0000000 ^ lX8 ^ lY8)
            }
            return (lResult ^ 0x40000000 ^ lX8 ^ lY8)
        }
        return (lResult ^ lX8 ^ lY8)
    }

    function F(x, y, z) { return (x & y) | ((~x) & z) }
    function G(x, y, z) { return (x & z) | (y & (~z)) }
    function H(x, y, z) { return (x ^ y ^ z) }
    function I(x, y, z) { return (y ^ (x | (~z))) }

    function FF(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac))
        return AddUnsigned(RotateLeft(a, s), b)
    }

    function GG(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac))
        return AddUnsigned(RotateLeft(a, s), b)
    }

    function HH(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac))
        return AddUnsigned(RotateLeft(a, s), b)
    }

    function II(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac))
        return AddUnsigned(RotateLeft(a, s), b)
    }

    function ConvertToWordArray(string) {
        let lWordCount
        let lMessageLength = string.length
        let lNumberOfWords_temp1 = lMessageLength + 8
        let lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64
        let lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16
        let lWordArray = Array(lNumberOfWords - 1)
        let lBytePosition = 0
        let lByteCount = 0
        while (lByteCount < lMessageLength) {
            lWordCount = (lByteCount - (lByteCount % 4)) / 4
            lBytePosition = (lByteCount % 4) * 8
            lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition))
            lByteCount++
        }
        lWordCount = (lByteCount - (lByteCount % 4)) / 4
        lBytePosition = (lByteCount % 4) * 8
        lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition)
        lWordArray[lNumberOfWords - 2] = lMessageLength << 3
        lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29
        return lWordArray
    }

    function WordToHex(lValue) {
        let WordToHexValue = '', WordToHexValue_temp = '', lByte, lCount
        for (lCount = 0; lCount <= 3; lCount++) {
            lByte = (lValue >>> (lCount * 8)) & 255
            WordToHexValue_temp = '0' + lByte.toString(16)
            WordToHexValue += WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2)
        }
        return WordToHexValue
    }

    function Utf8Encode(string) {
        string = string.replace(/\r\n/g, '\n')
        let utftext = ''

        for (let n = 0; n < string.length; n++) {
            let c = string.charCodeAt(n)

            if (c < 128) {
                utftext += String.fromCharCode(c)
            } else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192)
                utftext += String.fromCharCode((c & 63) | 128)
            } else {
                utftext += String.fromCharCode((c >> 12) | 224)
                utftext += String.fromCharCode(((c >> 6) & 63) | 128)
                utftext += String.fromCharCode((c & 63) | 128)
            }
        }

        return utftext
    }

    let x = Array()
    let k, AA, BB, CC, DD, a, b, c, d
    let S11 = 7, S12 = 12, S13 = 17, S14 = 22
    let S21 = 5, S22 = 9, S23 = 14, S24 = 20
    let S31 = 4, S32 = 11, S33 = 16, S34 = 23
    let S41 = 6, S42 = 10, S43 = 15, S44 = 21

    string = Utf8Encode(string)

    x = ConvertToWordArray(string)

    a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476

    for (k = 0; k < x.length; k += 16) {
        AA = a; BB = b; CC = c; DD = d
        a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478)
        d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756)
        c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB)
        b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE)
        a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF)
        d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A)
        c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613)
        b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501)
        a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8)
        d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF)
        c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1)
        b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE)
        a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122)
        d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193)
        c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E)
        b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821)
        a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562)
        d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340)
        c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51)
        b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA)
        a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D)
        d = GG(d, a, b, c, x[k + 10], S22, 0x2441453)
        c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681)
        b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8)
        a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6)
        d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6)
        c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87)
        b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED)
        a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905)
        d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8)
        c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9)
        b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A)
        a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942)
        d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681)
        c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122)
        b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C)
        a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44)
        d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9)
        c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60)
        b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70)
        a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6)
        d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA)
        c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085)
        b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05)
        a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039)
        d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5)
        c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8)
        b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665)
        a = II(a, b, c, d, x[k + 0], S41, 0xF4292244)
        d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97)
        c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7)
        b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039)
        a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3)
        d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92)
        c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D)
        b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1)
        a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F)
        d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0)
        c = II(c, d, a, b, x[k + 6], S43, 0xA3014314)
        b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1)
        a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82)
        d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235)
        c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB)
        b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391)
        a = AddUnsigned(a, AA)
        b = AddUnsigned(b, BB)
        c = AddUnsigned(c, CC)
        d = AddUnsigned(d, DD)
    }

    let temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d)

    return temp.toLowerCase()
}
export default